I just checked the statute and the 2019 ruling and was surprised to discover that you are correct.
2019 Ruling: https://www.courtlistener.com/docket/69777799/1/1/abrego-gar... Referenced statute: https://www.justice.gov/sites/default/files/eoir/legacy/2014... Statutes on where an alien may be deported to: https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim...